Matthew 19:26 And looking at them Jesus said to them, "With people this is impossible, but with God all things are possible."

Hebrews 10:26 For if we go on sinning willfully after receiving the knowledge of the truth, there no longer remains a sacrifice for sins,

Hebrews 10:29 How much severer punishment do you think he will deserve who has trampled under foot the Son of God, and has regarded as unclean the blood of the covenant by which he was sanctified, and has insulted the Spirit of grace?

2 Peter 2:21 For it would be better for them not to have known the way of righteousness, than having known it, to turn away from the holy commandment handed on to them.

1 John 5:16 If anyone sees his brother committing a sin not leading to death, he shall ask and God will for him give life to those who commit sin not leading to death. There is a sin leading to death; I do not say that he should make request for this. (NASB ©1995)